Finding the Third Proportional to 8,731.13 and 12,291.75
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Solution
The third proportional to 8,731.13 and 12,291.75 is: 17,304.43
Step by Step Solution
- Step 1: Write the proportion equation
8,731.13 : 12,291.75 = 12,291.75 : x - Step 2: Convert to fraction form
8,731.13/12,291.75 = 12,291.75/x - Step 3: Cross multiply
8,731.13x = 12,291.75 × 12,291.75 - Step 4: Simplify right side
8,731.13x = 151,087,118.06 - Step 5: Solve for x
x = 151,087,118.06/8,731.13 - Step 6: Final answer
x = 17,304.43
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Why These Related Problems?
These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.